Test Point 6

Test point 6
Signal, reverse
gear-navigation unit
Signal implausible
Fault code 25

Signal implausible

1. Check reversing light switch or, on Tiptronic vehicles, position switch.

2. Check lead from navigation unit plug pin 4 to the reversing light switch or position switch for short circuit to B+.

Note

The lead is routed via plug connection X 2/4 and via the jumper plug 20/1 on relay carrier 2.